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Science News Archive 2013 - Page 258


Page 258 of 352

Are 4 antenatal visits enough?

A reanalysis of the WHOACT data found an increased risk of fetal death for women with reduced antenatal visits, particularly between 32 and 36 weeks. The study suggests that routine antenatal visits may detect asymptomatic conditions earlier, allowing timely intervention.

SourceBMC (BioMed Central)·JournalReproductive Health·DateApr 11, 2013

Sediba's ribcage and feet were not suitable for running

Researchers studying Australopithecus sediba's fossil find that its conical ribcage made it difficult to swing its arms while walking or running. The species' unique foot structure also suggests it walked with feet turned inward, setting it apart from other australopiths.

SourceUniversity of Zurich·JournalScience·DateApr 11, 2013
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Study reports adenoma detection rates are higher than current guidelines suggest in both men and women

A new study found that average-risk screening adenoma detection rates are significantly higher than current guidelines suggest, with women having a 25.4% risk and men having a 41.2% risk. Overall advanced-pathology adenoma detection was also higher in men, highlighting the need for vigilance in identifying patients with adenomas to pre...

SourceAmerican Society for Gastrointestinal Endoscopy·JournalGastrointestinal Endoscopy·DateApr 11, 2013

The mathematical method for simulating the evolution of the solar system has been improved

Scientists have developed a new numerical method for simulating the evolution of the solar system, which is ten times faster and more accurate than previous methods. The collaboration between mathematicians, computer scientists, physicists, and astronomers has led to a significant improvement in the simulation's reliability over time.

SourceElhuyar Fundazioa·JournalApplied Numerical Mathematics·DateApr 11, 2013
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Cell phone camera photographs microscopic cell samples

A new device allows cellphone cameras to take images from fluorescent microscopes and flow cytometers, enabling areas with limited resources to conduct tests such as checking for contaminated water and monitoring HIV positive patients. The device is expected to be helpful in resource-poor countries and fast-paced clinical environments.

SourceThe Journal of Visualized Experiments·JournalJournal of Visualized Experiments·DateApr 11, 2013

Interactions between drugs can also be measured at lowest doses

Researchers at Heidelberg University Hospital have developed a new method to detect drug interactions at very low doses, which can be used to study interactions between drugs without posing risks to patients. This breakthrough improves the reliability of pharmacological studies and has the potential to reduce medication errors.

SourceHeidelberg University Hospital·JournalClinical Pharmacology & Therapeutics·DateApr 11, 2013
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Fires in Victoria, Australia

NASA's Aqua satellite captured smoke and heat signatures from fires in Victoria's national parks on April 9, 2013. The affected areas include Snowy River, Errinundra, and Coopracamba National Parks.

SourceNASA/Goddard Space Flight Center·DateApr 11, 2013

ACP and FSMB encourage doctors to 'pause before posting' and not 'friend' patients in policy paper

The American College of Physicians (ACP) and the Federation of State Medical Boards (FSMB) have released a policy paper providing guidance on best practices for physicians' online behavior. The recommendations aim to preserve trust in patient-physician relationships and protect patient interests when using social media.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateApr 11, 2013

Scientists stress need for national marine biodiversity observation network

A national marine biodiversity observation network is proposed to track ocean ecosystem health, monitor trends, and facilitate proactive responses to environmental pressures. The study recommends coordination of existing efforts, digitization of historical data, and establishment of regional centers to process and identify specimens.

SourceUniversity of Florida·JournalBioScience·DateApr 11, 2013
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Maya Long Count calendar and European calendar linked using carbon-14 dating

Researchers have empirically calibrated the Maya Long Count calendar to the modern European calendar using carbon-14 dating, offering a more accurate understanding of Maya dates relative to historic events. The study's findings suggest that climate change played an important role in the development and demise of the complex civilization.

SourcePenn State·JournalScientific Reports·DateApr 11, 2013

Stanford study shows different brains have similar responses to music

Researchers found a consistent pattern of activity across individuals in several brain structures, including those involved in movement planning, memory, and attention. The study suggests that higher-level centers direct subcortical auditory structures to respond preferentially to music.

SourceStanford Medicine·JournalEuropean Journal of Neuroscience·DateApr 11, 2013

Tiny wireless device shines light on mouse brain, generating reward

Scientists developed tiny devices containing light-emitting diodes (LEDs) to activate brain cells with light. Using these devices, mice were taught to poke their noses through a hole in a maze, triggering the system to release dopamine and associate rewards, revealing potential for treating depression, anxiety, and addiction.

SourceWashU Medicine·JournalScience·DateApr 11, 2013
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

'Strikingly similar' brains of man and fly may aid mental health research

A new study by King's College London and University of Arizona scientists has found deep similarities in brain regulation between arthropods and vertebrates, shedding light on evolution and disease mechanisms. The discovery suggests a common evolutionary origin for brain circuits underlying behavioral choice.

SourceKing's College London·JournalScience·DateApr 11, 2013

Racial disparities exist in end-of-life care for US dialysis patients

A study found significant racial disparities in end-of-life care among US adults with kidney failure, with black patients less likely to be referred to hospice and discontinue dialysis compared to white patients. The differences were most pronounced in regions with the highest levels of end-of-life spending.

SourceAmerican Society of Nephrology·JournalClinical Journal of the American Society of Nephrology·DateApr 11, 2013

Mast cells have critical role in initializing pulmonary fibrosis

Researchers have identified two key compounds produced by mast cells that promote fibrogenesis, leading to pulmonary fibrosis. Introducing mast cells into mice lungs can reverse disease protection and cause pulmonary fibrosis.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalDNA and Cell Biology·DateApr 11, 2013

How Seattle Cancer Care Alliance implemented Washington's Death with Dignity Act

The study found that while the program was rarely used, those who participated reported gratitude for receiving a lethal prescription, regardless of use. The most common reasons for participation included loss of autonomy, inability to engage in enjoyable activities, and loss of dignity. SCCA's approach prioritizes palliative care and ...

SourceFred Hutchinson Cancer Center·JournalNew England Journal of Medicine·DateApr 10, 2013
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Botanists in the rainforest

Researchers found chimpanzees inspect trees with similar fruit characteristics, relying on botanical knowledge to predict fruit availability. This discovery provides insights into the evolution of categorization abilities and abstract thinking in humans.

SourceMax-Planck-Gesellschaft·JournalAnimal Cognition·DateApr 10, 2013

Extreme algae blooms: The new normal?

A record-breaking algae bloom in Lake Erie was triggered by a combination of long-term agricultural practices and extreme weather events. The researchers predict that future blooms will be even more severe unless agricultural policies are revised to reduce nutrient runoff.

SourceU.S. National Science Foundation·JournalProceedings of the National Academy of Sciences·DateApr 10, 2013
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

'Sustainable fishing' certification too lenient and discretionary, study finds

A study by New York University researchers found that the Marine Stewardship Council's (MSC) seafood certification process is too lenient and discretionary. The study examined 19 formal objections to MSC certifications and found that many fisheries did not meet the organization's sustainability principles.

SourceNew York University·JournalBiological Conservation·DateApr 10, 2013

Eating solid food early sets marmosets on path to obesity

A study by University of Texas Health Science Center at San Antonio found that baby marmoset monkeys who started eating solid food earlier were more likely to become obese by age one. The research also showed metabolic damage such as insulin resistance and poor blood sugar control, setting the stage for future obesity.

SourceUniversity of Texas Health Science Center at San Antonio·JournalObesity·DateApr 10, 2013
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Great white sharks

A new study published in PLOS ONE reveals unique social interactions among great white sharks while scavenging on dead whales in South Africa. The team observed 40 different sharks feeding on a carcass over a single day, suggesting that shark populations may rely on scavenging to supplement their regular feeding activities.

SourceUniversity of Miami·JournalPLOS ONE·DateApr 10, 2013

Fat-free see-through brain bares all

Researchers have developed a new method called CLARITY that allows for the analysis of brain tissue in its entirety, preserving its 3D structure and integrity. This breakthrough method enables scientists to study the brain's finer workings, including cells and molecules, without losing larger-scale circuit perspective.

SourceNIH/National Institute of Mental Health·JournalNature·DateApr 10, 2013

Clinging to crevices, E. coli thrive

Researchers found that E. coli flagella can act as biological grappling hooks, reaching deep into nanoscale crevices and latching the bacteria in place. This ability to stick to any surface at all allows bacteria to survive on medical implants.

SourceHarvard University·JournalProceedings of the National Academy of Sciences·DateApr 10, 2013

Australia and Singapore join forces to tackle emerging infectious diseases

The joint research collaboration aims to develop new approaches to tackle emerging infectious diseases in the Asia-Pacific region. The project will focus on designing treatments and vaccines for tuberculosis, predicting patients at risk of severe dengue, and developing improved vaccines against virus diseases.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·DateApr 10, 2013
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Goosefish capture small puffins over deep water of Northwest Atlantic

Researchers found that remains of dovekies were recovered from the stomachs of 14 goosefish caught during winters between 2007 and 2010. The study suggests that timing is key in bringing these deep-water fish and shallow-feeding birds together in offshore waters.

SourceNOAA Northeast Fisheries Science Center·JournalNortheastern Naturalist·DateApr 10, 2013

LSUHSC research reveals Rx target for HPV, Hep C and related cancers

Scientists at LSU Health Sciences Center have discovered the inner workings of E6AP enzyme, controlling functions in nerve cells and viral replication. This finding provides potential strategies for designing drugs to block E6AP function in HPV and Hepatitis C viruses.

SourceLouisiana State University Health Sciences Center·JournalJournal of Biological Chemistry·DateApr 10, 2013

Some types of papilloma virus might prevent cervical cancer

Researchers found high numbers of HPV type 53 in normal cervical smears from HIV positive women, but not in cervical cancers. This sub-type may inhibit progression to cervical cancer, potentially providing a simple biological therapy for prevention.

SourceUniversity of Manchester·JournalThe Open Virology Journal·DateApr 10, 2013

Early warning signs of population collapse

Researchers at MIT found that measuring recovery length, a spatial counterpart to recovery time, can help predict population collapse risk. By analyzing variations in population density in neighboring regions, scientists can identify areas at risk of collapse, allowing for timely intervention.

SourceMassachusetts Institute of Technology·JournalNature·DateApr 10, 2013
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Research enables fishermen to harvest lucrative shellfish on Georges Bank

Researchers from the Woods Hole Oceanographic Institution and NOAA's ECOHAB program have developed a testing protocol that allows fishermen to safely harvest surf clams and ocean quahogs on Georges Bank. The shellfish industry can now produce up to 1 million bushels of product annually, valued at $10-15 million.

SourceWoods Hole Oceanographic Institution·DateApr 10, 2013

Interdisciplinary team demonstrates superconducting qualities of topological insulators

An interdisciplinary team has successfully depleted electrons from the bulk of topological insulators, demonstrating superconducting surface states. This breakthrough enables experimentation with TIs and paves the way for investigating the Majorana quasiparticle, a fermion that could serve as a quantum bit in quantum computing.

SourceUniversity of Illinois Grainger College of Engineering·JournalNature Communications·DateApr 10, 2013
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Marketing research offers prescription for better nutrition

A recent study published in the Journal of Marketing found that after a diagnosis of diabetes, patients tend to consume more sugary beverages and foods high in sodium or fat. The key to managing health risks is to consult with a healthcare professional about all foods that pose risks.

SourceUniversity of Alberta·JournalJournal of Marketing·DateApr 10, 2013

X-rays reveal coexisting structures in glass

Researchers from Amsterdam University and DESY discovered coexisting structural states in a glass made from microscopic silica spheres under shear stress. The study revealed that the glass's inner structure varies depending on the applied shear rate, affecting its flow behavior.

SourceDeutsches Elektronen-Synchrotron DESY·JournalScientific Reports·DateApr 10, 2013

Penn research shows that young children have grammar and chimpanzees don't

A new study from the University of Pennsylvania found that children as young as 2 understand basic grammar rules when they first learn to speak, contradicting a long-held debate. The research also applied statistical analysis to data from the famous Project Nim experiment and found that Nim Chimpsky never grasped such rules.

SourceUniversity of Pennsylvania·JournalProceedings of the National Academy of Sciences·DateApr 10, 2013
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

World's oldest dinosaur embryo bonebed yields organic remains

A team of scientists from Canada, Taiwan, and Australia excavated over 200 bones from embryonic dinosaurs, providing a rare glimpse into their growth patterns. The fossils, dating back over 100 million years, show evidence of protein structures, suggesting that dinosaurs moved around inside their eggs.

SourceUniversity of Toronto·JournalNature·DateApr 10, 2013

Pottery reveals Ice Age hunter-gatherers' taste for fish

A pioneering study reveals that prehistoric hunter-gatherers in Japan used ceramic vessels to cook freshwater and marine organisms, including high-trophic level aquatic foods. The discovery sheds light on the emergence and widespread adoption of ceramic technology in hunter-gatherer societies.

SourceUniversity of York·JournalNature·DateApr 10, 2013

Understanding the life of lithium ion batteries in electric vehicles

The study found that lithium-ion battery performance begins to suffer at temperatures above 86 degrees Fahrenheit, and proper charging habits can extend its life. The researchers recommended second-life applications for batteries after they reach their full capacity, such as utility storage or recycling.

SourceAmerican Chemical Society·DateApr 10, 2013
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

American College of Physicians releases ACP Clinical Guidelines app

The ACP Clinical Guidelines app provides clinicians with easy access to evidence-based clinical recommendations and rationale, saving them time in their practice. Available on iPhone, iPad, and Android, the app includes guidance statements and high-value care advice for all currently active guidelines.

SourceAmerican College of Physicians·DateApr 10, 2013

Chemist Bozhi Tian selected as 2013 Searle Scholar

Bozhi Tian has been selected as a 2013 Searle Scholar for his innovative research on single-neuron dynamics and bioelectric circuits. He will use the grant to develop silicon-based biomaterials, with a long-term goal of understanding neurodegenerative diseases.

SourceUniversity of Chicago·DateApr 10, 2013

Effect of medication is affected by copies of genetic information

The study reveals that varying genetic information copies affect cell tolerance to cancer medication and antibiotics. This discovery may help explain differences in organism responses to environmental changes and certain medications' side effects on sperm and eggs.

SourceUniversity of Gothenburg·JournalPLOS Genetics·DateApr 10, 2013

Need your appendix out? How about scarless surgery through the navel

A new study suggests that transgastric appendicectomy, a minimally invasive procedure through the stomach, may offer an alternative to traditional appendectomies. The procedure causes less pain than classical surgical methods and avoids external incisions, reducing wound infections and incisional hernias.

SourceWiley·JournalBJS·DateApr 10, 2013
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.